Anaerobic Digestion Retention Time Calculator

Calculate hydraulic retention time (HRT) and organic loading rate (OLR) for anaerobic digestion systems. Size digesters for different feedstock volumes.

2D stress state at a point. All stresses in MPa.

σx — Normal Stress X (MPa)
σy — Normal Stress Y (MPa)
τxy — Shear Stress (MPa)
⚙ Mechanical Note: Results are based on standard textbook formulas and ISO/AASHTO references. Always verify critical designs with applicable codes (ISO 898, AASHTO 1993, AISC, Eurocode 3) and a qualified engineer.
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How to Use

Enter the values for the patient or scenario you are assessing. Calculate hydraulic retention time (HRT) and organic loading rate (OLR) for anaerobic digestion systems. Size digesters for different feedstock volumes. Use the ad retention time result to inform your clinical assessment.

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Frequently Asked Questions